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Cheap flights from Idaho Falls to Washington from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Washington departing on 8/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Hawaiian Airlines Logo
6:00 am - 7:11 amIDA-SEA
2h 11mnonstop
Hawaiian Airlines Logo
12:55 pm - 3:38 pmSEA-IDA
1h 43mnonstop
$173Hawaiian Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11
Hawaiian Airlines Logo
3:57 pm - 4:53 pmIDA-SEA
1h 56mnonstop
Hawaiian Airlines Logo
7:55 pm - 10:39 pmSEA-IDA
1h 44mnonstop
$187Hawaiian Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
11:20 am - 4:38 pmIDA-SEA
6h 18m1 stop
Delta Logo
5:30 am - 10:39 amSEA-IDA
4h 09m1 stop
$197Delta
Find Deal
Tue, Aug 26 - Sat, Sep 6
Delta Logo
11:20 am - 2:43 pmIDA-SEA
4h 23m1 stop
Delta Logo
5:30 am - 10:39 amSEA-IDA
4h 09m1 stop
$198Delta
Find Deal
Tue, Aug 26 - Sat, Sep 6
Alaska Airlines Logo
3:57 pm - 4:53 pmIDA-SEA
1h 56mnonstop
Alaska Airlines Logo
7:55 pm - 10:39 pmSEA-IDA
1h 44mnonstop
$207Alaska Airlines
Find Deal
Sat, Sep 20 - Fri, Sep 26
Hawaiian Airlines Logo
6:13 am - 7:10 amIDA-SEA
1h 57mnonstop
Hawaiian Airlines Logo
7:55 pm - 10:39 pmSEA-IDA
1h 44mnonstop
$210Hawaiian Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Alaska Airlines Logo
6:13 am - 7:10 amIDA-SEA
1h 57mnonstop
Alaska Airlines Logo
12:34 pm - 3:20 pmSEA-IDA
1h 46mnonstop
$238Alaska Airlines
Find Deal
Sun, Aug 31 - Tue, Sep 9
Logo
12:48 pm - 10:58 amIDA-PDX
23h 10m2 stops
Logo
7:52 pm - 2:49 pmPDX-IDA
17h 57m2 stops
$390
Find Deal
Thu, Aug 21 - Sun, Aug 24
United Airlines Logo
5:56 pm - 8:35 pmIDA-PSC
27h 39m1 stop
United Airlines Logo
5:30 am - 10:48 pmPSC-IDA
16h 18m1 stop
$547United Airlines
Find Deal
Fri, Aug 29 - Mon, Sep 1
United Airlines Logo
5:00 am - 8:35 pmIDA-PSC
16h 35m1 stop
United Airlines Logo
5:30 am - 9:47 amPSC-IDA
27h 17m1 stop
$592United Airlines
Find Deal
Fri, Aug 29 - Sat, Aug 30

Alaska Airlines flights from Idaho Falls to State of Washington

Our best Alaska Airlines deals on Idaho Falls to State of Washington flight tickets
Alaska Airlines
Sep 20
IDA3:57 pmIdaho Falls Fanning Field
1h 56m
SEA4:53 pmSeattle/Tacoma Intl
Sep 26
SEA7:55 pmSeattle/Tacoma Intl
1h 44m
IDA10:39 pmIdaho Falls Fanning Field
$207
Find similar
Alaska Airlines
Aug 31
IDA6:13 amIdaho Falls Fanning Field
1h 57m
SEA7:10 amSeattle/Tacoma Intl
Sep 9
SEA12:34 pmSeattle/Tacoma Intl
1h 46m
IDA3:20 pmIdaho Falls Fanning Field
$238
Find similar
Alaska Airlines
Aug 26
IDA6:13 amIdaho Falls Fanning Field
1h 57m
SEA7:10 amSeattle/Tacoma Intl
Sep 6
SEA12:34 pmSeattle/Tacoma Intl
1h 46m
IDA3:20 pmIdaho Falls Fanning Field
$248
Find similar

Hawaiian Airlines flights from Idaho Falls to State of Washington

Our best Hawaiian Airlines deals on Idaho Falls to State of Washington flight tickets
Hawaiian Airlines
Oct 4
IDA6:00 amIdaho Falls Fanning Field
2h 11m
SEA7:11 amSeattle/Tacoma Intl
Oct 11
SEA12:55 pmSeattle/Tacoma Intl
1h 43m
IDA3:38 pmIdaho Falls Fanning Field
$173
Find similar
Hawaiian Airlines
Sep 20
IDA3:57 pmIdaho Falls Fanning Field
1h 56m
SEA4:53 pmSeattle/Tacoma Intl
Sep 27
SEA7:55 pmSeattle/Tacoma Intl
1h 44m
IDA10:39 pmIdaho Falls Fanning Field
$187
Find similar
Hawaiian Airlines
Sep 25
IDA6:13 amIdaho Falls Fanning Field
1h 57m
SEA7:10 amSeattle/Tacoma Intl
Sep 29
SEA7:55 pmSeattle/Tacoma Intl
1h 44m
IDA10:39 pmIdaho Falls Fanning Field
$210
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 2, 2025.
Use the filters below to find and compare flights from Idaho Falls to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Sat 10/4

6:00 am-7:11 am

Nonstop2h 11m

Seattle/Tacoma Intl

Sat 10/11

12:55 pm-3:38 pm

Nonstop1h 43m

$173

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Sat 9/20

3:57 pm-4:53 pm

Nonstop1h 56m

Seattle/Tacoma Intl

Sat 9/27

7:55 pm-10:39 pm

Nonstop1h 44m

$187

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Tue 8/26

11:20 am-4:38 pm

1 stop6h 18m

Seattle/Tacoma Intl

Sat 9/6

5:30 am-10:39 am

1 stop4h 09m

$197

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Tue 8/26

11:20 am-2:43 pm

1 stop4h 23m

Seattle/Tacoma Intl

Sat 9/6

5:30 am-10:39 am

1 stop4h 09m

$198

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Sat 9/20

3:57 pm-4:53 pm

Nonstop1h 56m

Seattle/Tacoma Intl

Fri 9/26

7:55 pm-10:39 pm

Nonstop1h 44m

$207

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Thu 9/25

6:13 am-7:10 am

Nonstop1h 57m

Seattle/Tacoma Intl

Mon 9/29

7:55 pm-10:39 pm

Nonstop1h 44m

$210

Idaho FallsSeattle

IDA - SEA

IDASEA

Idaho Falls Fanning Field

Sun 8/31

6:13 am-7:10 am

Nonstop1h 57m

Seattle/Tacoma Intl

Tue 9/9

12:34 pm-3:20 pm

Nonstop1h 46m

$238

Idaho FallsPortland

IDA - PDX

IDAPDX

Idaho Falls Fanning Field

Thu 8/21

12:48 pm-10:58 am

2 stops23h 10m

Portland

Sun 8/24

7:52 pm-2:49 pm

2 stops17h 57m

$390

Idaho FallsPasco

IDA - PSC

IDAPSC

Idaho Falls Fanning Field

Fri 8/29

5:56 pm-8:35 pm

1 stop27h 39m

Pasco Tri Cities

Mon 9/1

5:30 am-10:48 pm

1 stop16h 18m

$547

Idaho FallsPasco

IDA - PSC

IDAPSC

Idaho Falls Fanning Field

Fri 8/29

5:00 am-8:35 pm

1 stop16h 35m

Pasco Tri Cities

Sat 8/30

5:30 am-9:47 am

1 stop27h 17m

$592

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Idaho Falls to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of April is, on average, the cheapest month to fly to State of Washington from Idaho Falls, with most prices found around $227. If you aren’t able to travel to State of Washington during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $243.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Idaho Falls to State of Washington is on a Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $403. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Idaho Falls to State of Washington for around $503.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $240. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $469 on average. Flights to State of Washington from Idaho Falls in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Idaho Falls Fanning Field to Washington flight route?

Fly from Idaho Falls Fanning Field to Seattle/Tacoma Intl for the best Idaho Falls Fanning Field - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Idaho Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $304 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Idaho Falls for as low as $230 on momondo.

What cabin class options are available on Idaho Falls Fanning Field to Washington flights?

There are 4 cabin classes available to choose from on Idaho Falls Fanning Field to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho Falls to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Idaho Falls to State of Washington.

Cheap Idaho Falls to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to State of Washington

Best Price Found

$95

Fastest flight time

1h 37m

Direct flights

Every day

Airports in State of Washington

4 airports
The best one-way flight to State of Washington from Idaho Falls in the past 72 hours is $95. The best round-trip flight deal from Idaho Falls to State of Washington found on momondo in the last 72 hours is $173.
The fastest flight from Idaho Falls to State of Washington takes 1h 37m
Direct flights go from Idaho Falls to State of Washington every day.
There are 4 airports near State of Washington: Pasco Tri Cities (PSC), Portland (PDX), Spokane (GEG), Seattle/Tacoma Intl (SEA)
Search flight deals

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Washington?

    Prices for flights from Idaho Falls Fanning Field Airport to Washington are updated daily.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Washington?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Washington?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Idaho Falls to State of Washington?

Best airlines flying from Idaho Falls to State of Washington

Compare and see reviews for airlines that fly from Idaho Falls to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $118Free CancellationRating
8.0
7,983 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $119Free CancellationRating
7.8
2,611 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $196Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Washington?

Finding the right flight to Washington from Idaho Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

Can I find flights from Idaho Falls to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from Idaho Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho Falls to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to Washington.

I’m not ready to book a flight from Idaho Falls to Washington right now. Can momondo alert me if prices change?

Price alerts on flights to Washington from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your State of Washington trip

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